A 9-unit walk-up apartment building on the Manhattan record, built in 1910.
423 Lenox Avenue is a 9-unit building in Manhattan, New York City (BBL 1019160030). This building is associated with Abj Sierra LLC. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1910, this walk-up apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 4 HPD complaints about this building over the last five years, most often about heat/hot water.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed April 10, 2025.
The building last changed hands on October 23, 2024, according to recorded deeds.
Brix rating: Clean (100/100). View the Building Report on Brix.
See every NYC building owned by Abj Sierra LLC on the landlord portfolio page.
Part of Harlem — see violations, complaints, and landlord activity across the whole neighborhood.
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